Kuper Harmonica

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Apps: 2

Total installs: 25K

Avg rating: ★ 3.36

Ratings: 66

Latest release: Aug 25, 2026

How this developer operates

Carrier title Learn Harmonica In 7 Days holds 97% of the developer's installs — a one-app developer
Hit rate 0% of launches reach 100k installs (0 of 2 at least 30 days old)
Release rhythm a new app every ~1.1 years on average
Maintenance 2 of 2 apps updated in the last 90 days · last update 7 days ago · updates every ~13 days

App	Style	Rating	Installs	Released
Learn Harmonica In 7 Days	Art & Design	★ 3.4	10,000+	Jul 9, 2025
לומדים מפוחית עם אלון	Education	—	500+	Aug 25, 2026